[Beowulf] [upgrade strategy] Intel CPU design bug & security flaw - kernel fix imposes performance penalty

[Prentice Bisbal]

On 01/05/2018 07:35 PM, Gerald Henriksen wrote:

> On Fri, 5 Jan 2018 17:32:19 -0500, you wrote:
>
>> According to several articles I read today:
>>
>> Meltdown (1 exploit)is Intel-specific
>> Spectre  (2 different exploits) affects just about every processor on
>> the planet.
> This is correct, and the other key difference is that so far there is
> only a solution to Meltdown.
>
> The below linked page has this to say about Spectre:
>
> "As it is not easy to fix, it will haunt us for quite some time"
>
> Fedora has linked to this page for more info on the two:
>
> https://spectreattack.com/
>

I haven't checked out that link yet, but from what I read, spectre is 
also much harder to exploit, too, which mitigates the risk of spectre to 
some extent.

Prentice